| APA | ROMIO. (2012, February 12). In Acronym Geek. Retrieved 15:16, February 12, 2012, from http://www.acronymgeek.com/ROMIO |
| MLA | "ROMIO." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ROMIO>. |
| MHRA | 'ROMIO', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ROMIO> [accessed 12 February 2012] |
| Chicago | "ROMIO", http://www.acronymgeek.com/ROMIO (accessed February 12, 2012). |
| CBE/CSE | ROMIO [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ROMIO. |
| Bluebook | ROMIO, http://www.acronymgeek.com/ROMIO (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ROMIO, http://www.acronymgeek.com/ROMIO (optional description here) (as of Feb. 12, 2012, 15:16). |
| AMA | ROMIO. Acronym Geek. February 12, 2012, 15:16. Available at: http://www.acronymgeek.com/ROMIO. Accessed February 12, 2012, 15:16. |